Important Inventions and Discoveries – Static Science GK Material for Competitive exams
Railway Recruitment Board has scheduled Group D Exam from 17th September 2018. To help you with your preparation we are providing Railway Group D Study Material and Notes. Here you can get notes for General Science, Current Affairs, General Knowledge, Reasoning and Quantitative Aptitude. The study material provided here will help to cover major topics for Railways Group D, ALP, SSC Exams, Insurance Exams and other Competitive Exams. You can also download PDF of the study material provided here.
Important Discoveries and Inventions
- Air Brakes were invented/discovered by – George Westinghouse
- Amplitude Modulation was invented/discovered by – Reginald Fessenden
- Anemometer was invented/discovered by – Leon Battista Alberti
- Barometer was invented/discovered by Evangelista Torricelli
- Cathode Ray Tube was invented/discovered by – Ferdinand Braun
- Dynamometer was invented/discovered by – Edme Regnier
- Ammeter was invented/discovered by – Friedrich Dexler
- Calorimeter was invented/discovered by – Antoine Lavoisier
- Inclinometer was invented/discovered by – Rufus Porter
- Magnetometer was invented/discovered by – Sheldon Breiner
- Telescope was invented/discovered by – Hans Lippershey
- Microscope was invented/discovered by – Hans Lippershey and Zacharias Janssen
- LED was invented/discovered by – Oleg Losev, Nick Holonyak
- Gravity was invented/discovered by – Sir Isaac Newton
- Hubble Space Telescope was invented/discovered by – NASA (named after Edwin Hubble )
- Induction Motor was invented/discovered by Nikola Tesla
- Kinetoscope was invented/discovered by – Louis Le Prince
- Fuel Cell was invented/discovered by – William Grove
- Battery was invented/discovered by – Alessandro Volta
- Steam Turbine was invented/discovered by – Charles Parson
- Transformer was invented/discovered by – William Stanley
- Electromagnet was invented/discovered by – William Sturgeon
- Large Hadron Collider was invented/discovered by – CERN
- Gamma Rays was invented/discovered by – Paul Villard
- Mercury Thermometer was invented/discovered by – Gabriel Fahrenheit
- Vernier Caliper was invented/discovered by – PierreVernier
- Celsius was invented/discovered by – Anders Celsius
- Air Pressure was invented/discovered by – Evangelista Torricelli
- Atomic Nucleus was invented/discovered by – Ernest Rutherford
- Anode Rays was invented/discovered by – Eugen Goldstein
- LCD was invented/discovered by – Friedrich Reinitzer
- Polythene was invented/discovered by – Eric Fawcett
- Osmosis was invented/discovered by – Jean Antoine Nollet
- Electrons were invented/discovered by – J.J. Thomson
- Neutrons were invented/discovered by – James Chadwick
- Protons were invented/discovered by – Ernest Rutherford
- Inert Gases was invented/discovered by – Sir William Ramsay
- Radioactivity was invented/discovered by – Henri Becquerel
- Periodic Table was invented/discovered by Dmitri Mendeleev
- Oxygen was invented/discovered by – Carl Wilhelm Scheele and Joseph Priestley
- Hydrogen was invented/discovered by Henry Cavendish
- Atoms were invented/discovered by – John Dalton
- Neon was invented/discovered by – Georges Claude & Paris Motor Show
- Acid was invented/discovered by – Albert Hofmann
- Ionic Bonds was invented/discovered by – Svante August Arrhenius
- Covalent Bonds was invented/discovered by – Gilbert Newton Lewis
- Aluminum was invented/discovered by – Charles Martin Hall
- Dynamite was invented/discovered by – Alfred Nobel
- pH meter was invented/discovered by – Arnold O. Beckman
- Polyvinyl Chloride was invented/discovered by Waldo Semon & B. F. Goodrich
Company - Synthetic Rubber was invented/discovered by – Fritz Hofmann
- Titanium was invented/discovered by – William Kroll
- Radium was invented/discovered by – Marie Sklodowska Curie and Pierre Curie
- Newspaper was invented/discovered by – Johann Carolous
- Printing Press was invented/discovered by – Johannes Gutenberg
- Electric Bulb was invented/discovered by – Thomas Edison
- Fan was invented/discovered by – Schuyler Skaats Wheeler
- Airplane was invented/discovered by – The Wright Brothers, Wilbur and Orville Wright
- Telephone was invented/discovered by – Alexander Graham Bell
- Radio was invented/discovered by – Guglielmo Marconi
- Calculator was invented/discovered by – Blaise Pascal
- Television was invented/discovered by – Philo Taylor Farnsworth
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